forked from espressif/esp-protocols
84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Unlicense OR CC0-1.0
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from __future__ import print_function, unicode_literals
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import subprocess
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import time
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from threading import Event, Thread
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import netifaces
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def run_server(server_stop, port, server_ip, client_ip):
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print('Starting PPP server on port: {}'.format(port))
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try:
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arg_list = [
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'sudo', 'pppd', port, '115200',
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'{}:{}'.format(server_ip, client_ip), 'modem', 'local', 'noauth',
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'debug', 'nocrtscts', 'nodetach', '+ipv6'
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]
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p = subprocess.Popen(arg_list, stdout=subprocess.PIPE, bufsize=1)
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while not server_stop.is_set():
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if p.poll() is not None:
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if p.poll() == 16:
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print('[PPPD:] Terminated: hang-up received')
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break
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else:
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raise ValueError(
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'ENV_TEST_FAILURE: PPP terminated unexpectedly with {}'
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.format(p.poll()))
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line = p.stdout.readline()
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if line:
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print('[PPPD:]{}'.format(line.rstrip()))
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time.sleep(0.1)
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except Exception as e:
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print(e)
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raise ValueError('ENV_TEST_FAILURE: Error running PPP server')
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finally:
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p.terminate()
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print('PPP server stopped')
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def test_examples_protocol_pppos_connect(dut):
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"""
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steps:
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1. starts PPP server
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2. get DUT as PPP client to connect to the server
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3. run unit test FW
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"""
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# Look for test case symbolic names
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try:
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server_ip = dut.app.sdkconfig.get('TEST_APP_PPP_SERVER_IP')
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client_ip = dut.app.sdkconfig.get('TEST_APP_PPP_CLIENT_IP')
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except Exception:
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print(
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'ENV_TEST_FAILURE: Some mandatory configuration not found in sdkconfig'
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)
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raise
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# the PPP test env uses two ttyUSB's: one for ESP32 board, another one for ppp server
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# use the other port for PPP server than the DUT/ESP
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port = '/dev/ttyUSB0' if dut.serial.port == '/dev/ttyUSB1' else '/dev/ttyUSB1'
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# Start the PPP server
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server_stop = Event()
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t = Thread(target=run_server,
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args=(server_stop, port, server_ip, client_ip))
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t.start()
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try:
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ppp_server_timeout = time.time() + 30
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while 'ppp0' not in netifaces.interfaces():
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print(
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"PPP server haven't yet setup its netif, list of active netifs:{}"
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.format(netifaces.interfaces()))
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time.sleep(0.5)
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if time.time() > ppp_server_timeout:
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raise ValueError(
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'ENV_TEST_FAILURE: PPP server failed to setup ppp0 interface within timeout'
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)
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dut.expect('All tests passed')
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finally:
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server_stop.set()
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t.join()
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